The FormControlBuilder class is used internally by ASP.NET. It is created by the page parser when it encounters a <mobile:StyleSheet> tag, and used to process contained styles.
public class StyleSheetControlBuilder : MobileControlBuilder { // Public Constructors public StyleSheetControlBuilder( ); // Public Instance Methods public override Type GetChildControlType(string name, System.Collections.IDictionary attributes); // overrides MobileControlBuilder }